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From: Aleksei Lukin <lukin@stu.cn.ua>
To: users@jackrabbit.apache.org
Subject: Re: accessing JCR over JNDI
Date: Fri, 10 Oct 2008 14:59:56 +0300
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=46riday 10 October 2008 12:57:28 Blanco Emanuele =D0=BD=D0=B0=D0=BF=D0=B8=
=D1=81=D0=B0=D0=B2:
> Still got null using java:jcr/repo.
>
> I'm now following this link:
> http://th1rty7.blogspot.com/2008/08/jackrabbit-on-jboss-with-jndi-rmi.html
> but I really wonder why it doesn't work.
>
>
>
>
> -----Original Message-----
> From: C=C3=A9dric Chantepie [mailto:cchantepie@corsaire.fr]
> Sent: venerd=C3=AC 10 ottobre 2008 11.36
> To: users@jackrabbit.apache.org
> Subject: Re: accessing JCR over JNDI
>
> Blanco Emanuele a =C3=A9crit :
> > With almost the same code in a WAR deployed in the same jboss makes me
> > repo null.
> >
> > I really have no glue about that.
>
> Try changing your JNDI ref name, maybe java:jcr/local is reserved.
>
Well, first question is: how do you start JCR?  You need model 2 to be able=
 to access JCR from all deployed apps.
To do so you msut define global JNDI resource  in tomcat's config like this:
  <GlobalNamingResources>
   ......
    <!--
       JackRabbit content repository //
     -->=20
    <Resource configFilePath=3D"/usr/local/jackrabbit-repo/repository.xml"=
=20
              factory=3D"org.apache.jackrabbit.core.jndi.BindableRepository=
=46actory"=20
              name=3D"jcr/globalRepository" repHomeDir=3D"/usr/local/jackra=
bbit-repo"=20
              type=3D"javax.jcr.Repository"
	      auth=3D"Container" />
             =20
  </GlobalNamingResources>

Thus Tomcat must have all libraries of JCR available. The simpliest way  is=
  just to put all of it in ${tomcat_home}/lib

So tomcat will start JCR whet it starts.
Next step is configuration of web application. You must put following refer=
ence to global repo into your context.xml

 <ResourceLink global=3D"jcr/globalRepository" name=3D"jcr/repository" type=
=3D"javax.jcr.Repository"/>

After that ytou can obtain JNDI access to JCR with following code:

        BindableRepository jrepository =3D null;

        try {
            InitialContext context =3D new InitialContext();
            Context environment =3D (Context) context.lookup("java:comp/env=
");
            jrepository =3D (BindableRepository) environment.lookup("/jcr/r=
epository");

=2E..}
 the best place for this code is =20
 public void contextInitialized(ServletContextEvent sce) method  of applica=
tion listener. Then you can bind repository to web application context and =
use in any place of your=20
application.


=2D-=20
SY, Alex Lukin
RIPE NIC HDL: LEXA1-RIPE